Ken Salazar

Following a meeting held yesterday with Senators Tom Harkin, Jon Tester, Tom Carper and Ken Salazar, the Rocky Mountain News reports that Sen. Ben Cardin (D-Baltimore) is set to attend another, larger gathering of the Senate's undeclared Democratic superdelegates.

The meeting will not take place until Wednesday, implying that Cardin's endorsement will likely not come tonight. Yet Harkin, who allegedly brought the group together, told the paper that he is unsure whether the group will end up voting as a block.

This all may change, as an AP newsflash reports that Hillary Clinton campaign officials say the Senator will acknowledge that Sen. Barack Obama has enough delegates for the nomination during her New York speech tonight.

Two takeaways from today's superdelegate happenings:

1. It looks like House Majority Whip James Clyburn will endorse Barack Obama tomorrow, sans leadership partners Steny Hoyer and Nancy Pelosi -- despite a claim that was attributed to him.

2. Ben Cardin and fellow undeclared Senators Jon Tester, Tom Carper and Ken Salazar were summoned by elder colleague Tom Harkin to the Democrats' D.C. headquarters for a discussion on whether they should endorse or not. Obama won the contests in all of their states. Afterwards, Cardin was quoted at length by CNN.

But at least it's warmer.